20809768 (number)

20809768 is an even 8-digits composite number following 20809767 and preceding 20809769. In scientific notation, it is written as 2.0809768 × 10^7. The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors. There are 8393472 positive integers (up to 20809768) that are relatively prime to 20809768.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand seven hundred sixty-eight

Notation

Scientific notation 2.0809768 × 10^7
Engineering notation 2.0809768 × 10^6

Prime Factorization of 20809768

Prime Factorization 2 × 2 × 2 × 17 × 7 × 21859

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5202442
Product of the distinct prime numbers

The prime factorization of 20809768 is 2 × 2 × 2 × 17 × 7 × 21859. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 2, 20, 27, 877, 215, 6280, 3231, 59666, 66337, 876654, 883982, 6892478, 6160566, 33997976, 51153835, 937142507, 770614742, 6188866621, 2702949888

Basic calculations (n = 20809768)

Multiplication

n×y
n×2 41619536
n×3 62429304
n×4 83239072
n×5 104048840

Division

n÷y
n÷2 10404884
n÷3 6936589.3333333
n÷3 5202442
n÷5 4161953.6

Exponentiation

ny
n2 433046444213824
n3 9.0115960373146E+21
n4 1.8752922284624E+29
n5 3.9024396206505E+36

Nth Root

y√n
2√n 4561.7724625413
3√n 275.05681691056
4√n 67.540894741936
5√n 29.083953907029

Divisors of 20809768

1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21859, 43718, 87436, 153013, 174872, 306026, 371603, 612052, 743206, 1224104, 1486412, 2601221, 2972824, 5202442, 10404884, 20809768

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809768 can be divided by 32 positive divisors. The sum of these divisors (counting 20809768) is 1, the average is 0.03125.

Base conversion 20809768

Base System Value
2 Binary 1001111011000100000101000
3 Ternary 1110011020122011
4 Quaternary 1033120200220
5 Quinary 20311403033
6 Senary 2022005304
8 Octal 117304050
10 Decimal 20809768
12 Duodecimal 6b76834
16 Hexadecimal 13d8828
20 Vigesimal 6a1488
36 Base36 ce0x4

Cryptographic Hash Functions

md5 bfa99fb112443ee9a29dff9d782c650f
sha1 d1c1db56f7f70a2682388908670045f3555ae824
sha256 415bedd1a67c3fd76103f8ea9937cff0f63e0f4bd1b0d53844a1f441aaca1bb3
sha512 794c8a52d0787b31074e156087c93738120c9f4ca66716553724fd3623c8efe67f2d40f118624192de341ab54b1667c15ce660af224bbdaaca3578815eb536cf
ripemd-160 6a8afaa80bbf849b00fa2d84bcec46d13a7853d8

20809768 as geometric shapes

Circle

Radius = n
Diameter 41619536
Circumference 130751628.54342
Area 1.3604555278053E+15

Sphere

Radius = n
Volume 3.7747685210595E+22
Surface area 5.4418221112213E+15
Circumference 130751628.54342

Square

Length = n
Perimeter 83239072
Area 433046444213824
Diagonal 29429456.135438

Cube

Length = n
Surface area 2598278665282944
Volume 9.0115960373146E+21
Space diagonal 36043575.469721

Equilateral Triangle

Length = n
Perimeter 62429304
Area 1.8751461085385E+14
Altitude 18021787.73486

Triangular Pyramid

Length = n
Surface area 1.8751461085385E+14
Volume 1.0620267778832E+21
Height 9809818.7118125